38
4. Chain Drive Adjustment
The drive chain must be checked for excessive slack after
the first 50 hours of operation and every 150 hours
thereafter.
To adjust, remove the inspection cover on the seat support.
With the parking brake engaged, remove the filler cap and
measure the amount of free play in the chain with the
chain tension gauge (Fig. 4.6C). The chain must be
adjusted so there is between 1/4 - 3/8 inch (6.4 - 9.5 mm)
free play.
Remove the shield protecting the chain tightener.
Loosen the 3 chain tightener nuts (Fig. 4.6D), until the
spring washers just begin to open. do not over-loosen or
over tightening of the chain can occur.
Back off the rear adjuster nut (Fig. 4.6D) and tighten the
front adjustment nut until free play measured on the chain
is between 1/ 4 - 3/8” (6. 4 - 9.5 mm).
Tighten the rear adjuster nut and torque the 3 chain
tightener nuts to 150 ft. lbs. (203 Nm) (Fig. 4.6D).
Repeat on opposite side of machine.
4. 7 HYDRAULIC/ HYDROSTATIC
SYSTEM MAINTENANCE
1. Oil Level Check
Check the oil level of the hydraulic reservoir with the
machine on a level surface with the lift arms down and the
attachment grounded. Shut off the engine. Open the rear
door and check the oil level sight glass (Fig. 4.7A). If oil
is apparent the level is satisfactory.
WARNING
WARNING: Escaping hydraulic
fluid under pressure can
penetrate the skin causing
serious injury.
• DO NOT use your hand to check
for leaks. Use a piece of cardboard
or paper to search for leaks.
• Stop engine and relieve pressure
before connecting or disconnecting
lines.
• Tighten all connections before
starting engine or pressurizing
lines.
If any fluid is injected into the skin
obtain medical attention
immediately of gangrene may
result.
Front
Axle
Rear
Axle
4. MAINTENANCE
C644
Fig. 4.7A
Fig. 4.6D
C-1037
Fig. 4.6C
C372
Chain Tension
Guage
Oil Level
Sight Glass
Adjustment Nuts
Chain Tightener Nuts
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